Imitation arm



FIG. 1 shows a perspective view of an imitation arm.

FIG. 2 shows a front view of the imitation arm.

FIG. 3 shows a rear view of the imitation arm.

FIG. 4 shows a left side view of the imitation arm.

FIG. 5 shows a right side view of the imitation arm.

FIG. 6 shows a top view of the imitation arm; and,

FIG. 7 shows a bottom view of the imitation arm.

The dot-dash-dot broken lines shown in the drawings define boundaries of the claimed design and form no part thereof.

The dashed broken lines shown in the drawings illustrate portions of the imitation arm that form no part of the claimed design. 

CLAIM The ornamental design for an imitation arm, as shown and described. 